From 82f4c886cd053bca8f0518156d437396e8bacc2e Mon Sep 17 00:00:00 2001
From: Larry Knox <lrknox@hdfgroup.org>
Date: Tue, 10 Oct 2023 10:06:15 -0500
Subject: [PATCH] Differentiate debeu and non-debug nvidia compiler flags.

---
 config/cmake/HDFCXXCompilerFlags.cmake     | 9 +++++++++
 config/cmake/HDFCompilerFlags.cmake        | 9 +++++++++
 config/cmake/HDFFortranCompilerFlags.cmake | 9 +++++++++
 3 files changed, 27 insertions(+)

diff --git a/config/cmake/HDFCXXCompilerFlags.cmake b/config/cmake/HDFCXXCompilerFlags.cmake
index e8a55ba779b..96763e086c1 100644
--- a/config/cmake/HDFCXXCompilerFlags.cmake
+++ b/config/cmake/HDFCXXCompilerFlags.cmake
@@ -49,6 +49,15 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND CMAKE_CXX_COMPILER_LOADED)
   endif ()
 endif ()
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
+  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Minform=warn"
+  if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s -O4"
+  else ()
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Mbounds -g -gopt -O2"
+  endif ()
+endif ()
+
 if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
   set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
   if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer")
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake
index 1dca9103ef3..b4e68b8ba86 100644
--- a/config/cmake/HDFCompilerFlags.cmake
+++ b/config/cmake/HDFCompilerFlags.cmake
@@ -47,6 +47,15 @@ if(_CLANG_MSVC_WINDOWS AND "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGN
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Xlinker -stack:20000000")
 endif()
 
+if(CMAKE_C_COMPILER_ID STREQUAL "NVHPC" )
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Minform=warn")
+  if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fast -s -O4")
+  else ()
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Mbounds -g -O2")
+  endif ()
+endif()
+
 if (CMAKE_COMPILER_IS_GNUCC)
   set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
   if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer")
diff --git a/config/cmake/HDFFortranCompilerFlags.cmake b/config/cmake/HDFFortranCompilerFlags.cmake
index 86d04315720..0f1c45d54b7 100644
--- a/config/cmake/HDFFortranCompilerFlags.cmake
+++ b/config/cmake/HDFFortranCompilerFlags.cmake
@@ -52,6 +52,15 @@ if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERS
   endif ()
 endif ()
 
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC")
+  set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fPIC")
+  if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
+    set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fast -Mnoframe -s")
+  else ()
+    set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Mbounds -Mchkptr -Mdclchk -g")
+  endif ()
+endif ()
+
 if (NOT MSVC AND NOT MINGW)
   # General flags
   if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")